Light-emitting diode



FIG. 1 is a perspective view of a “light-emitting diode” showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view showing the practical usage thereof.

The broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for a “light-emitting diode,” as shown and described. 